Do Braces Cause Canker Sores?

Dr. Anthony Farrow of Farrow Orthodontics in the Wyndmoor, PA area says that the exact cause of most canker sores is unknown. A sharp tooth surface or dental appliance (i.e., braces or ill-fitting dentures) might trigger canker sores. Stress or tissue injury can cause simple canker sores. Certain foods including citrus or acidity fruits and vegetables (i.e.,…